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| Number | Title | Issue Date |
| 6857373 | Variably curved track-mounted amusement ride A variably curved track-mounted amusement ride having at least one outside curve and at least one inside curve, each lying substantially within a vertical plane and each having an axis of symmetry which is substantially horizontal. Preferably, the top curve is an ou... | 02/22/2005 |
| 6145442 | Submarine amusement ride An underwater mobile observatory system comprising an aquarium (20) able to hold water and large enough to support fish, coral, and to display artificial objects such as shipwrecks and ruins, a vehicle track (21) extending through the aquarium (20), the t... | 11/14/2000 |
| 6058848 | Underwater and land travel system An underwater and land travel system comprising an underwater and land travel vehicle which is capable of being reliably and safely moved from on the land into the water and which may also be used for viewing the sight in the water with delight and safety... | 05/09/2000 |
| 5775226 | Underwater and land travel vehicle A pair of travel rails (46) each having an upper surface and a lower surface are laid to extend from on the land (44) into the water (45). Main tires (12) are rotatably disposed on opposite sides of a vehicle body (1), so that they are located between the... | 07/07/1998 |
| 5435253 | Vacuum highway seal A vacuum highway seal provides an effective barrier for maintaining a separation between the atmosphere and a vacuum highway, which allows vehicles to reach near orbital speeds on the surface of the earth. The vacuum highway seal is composed of a pool of ... | 07/25/1995 |
| 5215016 | Rail type underwater travel vehicle A rail type underwater travel vehicle includes a passenger observation room, an engine room housing drive apparatus and a flotation adjustment tank chamber. The vehicle can travel freely from land into water by means of drive tires that are rotated by the... | 06/01/1993 |
